CN217748493U - Flue gas desulfurization pipeline cleaning device, desulfurization device and waste incineration power generation equipment - Google Patents
Flue gas desulfurization pipeline cleaning device, desulfurization device and waste incineration power generation equipment Download PDFInfo
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- CN217748493U CN217748493U CN202123145851.XU CN202123145851U CN217748493U CN 217748493 U CN217748493 U CN 217748493U CN 202123145851 U CN202123145851 U CN 202123145851U CN 217748493 U CN217748493 U CN 217748493U
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- compressed air
- desulfurization
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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Abstract
The utility model discloses a flue gas desulfurization pipeline cleaning device, desulphurization unit and msw incineration power generation equipment. The flue gas desulfurization pipeline comprises a first desulfurization pipeline, wherein a first end of the first desulfurization pipeline is connected with a first fan, and the first desulfurization pipeline comprises a cleaning material storage piece for storing cleaning materials; a first connection pipe having a first end communicating with the cleaning material storage member and a second end communicating with the first desulfurization duct; the first valve is arranged on the first connecting pipe and used for controlling the on-off of the first connecting pipe; and the air injection structure is communicated with the first desulfurization pipeline and is used for injecting air into the first desulfurization pipeline so as to blow off the desulfurization medium adhered to the inner wall of the first desulfurization pipeline. The utility model provides a desulphurization unit includes foretell flue gas desulfurization pipeline cleaning device. The utility model provides a waste incineration power generation equipment includes foretell desulphurization unit.
Description
Technical Field
The utility model relates to a refuse treatment technical field especially relates to a flue gas desulfurization pipeline cleaning device, desulphurization unit and msw incineration power generation equipment.
Background
The flue gas desulfurization pipeline of the dry desulfurization device of the waste incineration power generation equipment in China generally adopts desulfurization media such as slaked lime, activated carbon, fly ash and the like to realize desulfurization. However, due to the strong absorption of slaked lime, the slaked lime can adhere to the inner wall of the pipeline after being wetted, and further causes the faults of blockage of a desulfurization pipeline, increased pressure of a fan, overheating of a motor, insufficient flow of a desulfurization medium, overproof smoke emission and the like. In case of a failure, the operation of the dry desulfurization device must be stopped and the desulfurization pipes and nozzles of the dry desulfurization device must be cleaned, thus posing a serious threat to the safe operation of the boiler. The problem is generally solved by replacing the desulfurization pipeline. However, the pipelines of the waste incineration power generation equipment are complicated to lay and are mostly overhead pipelines, so that the method for cleaning the desulfurization pipelines by replacing the desulfurization pipelines has great potential safety hazards.
Therefore, a cleaning device for flue gas desulfurization pipeline is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the problems that exist among the current correlation technique at least to a certain extent, for this reason, the utility model provides a flue gas desulfurization pipeline cleaning device can realize the self-cleaning to pasting the desulfurization medium at the flue gas desulfurization inside pipe wall.
The above purpose is realized by the following technical scheme:
the utility model provides a flue gas desulfurization pipeline cleaning device, the flue gas desulfurization pipeline includes first desulfurization pipeline, first end of first desulfurization pipeline is connected with first fan, include:
a cleaning material storage member for storing a cleaning material;
a first connecting pipe having a first end communicating with the cleaning material storage member and a second end communicating with the first desulfurization pipe;
the first valve is arranged on the first connecting pipe and used for controlling the on-off of the first connecting pipe;
and the air injection structure is communicated with the first desulfurization pipeline and is used for injecting air into the first desulfurization pipeline so as to blow off the desulfurization medium adhered to the inner wall of the first desulfurization pipeline.
Optionally, the gas injection structure comprises:
the first nozzle is arranged on the first desulfurization pipeline, is positioned between the first fan and the second end of the first connecting pipe, and is used for spraying air towards the feeding direction of the first desulfurization pipeline so as to blow off the desulfurization medium adhered to the inner wall of the first desulfurization pipeline;
and the compressed air conveying structure is communicated with the first nozzle and is used for conveying compressed air to the first nozzle.
Optionally, the compressed air delivery structure comprises:
a compressed air delivery pipe, wherein the first end of the compressed air delivery pipe is connected with an external compressed air generating device, and the second end of the compressed air delivery pipe is connected with the first nozzle;
and the second valve is arranged on the compressed air conveying pipe and used for controlling the on-off of the compressed air conveying pipe.
Optionally, the compressed air delivery structure further comprises a second fan disposed on the compressed air delivery pipe for blowing the compressed air in the compressed air delivery pipe into the first nozzle under pressure.
Optionally, the compressed air delivery structure further comprises an air source pressure reducing valve, which is disposed on the compressed air delivery pipe and is used for reducing the pressure of the compressed air in the compressed air delivery pipe.
Optionally, the flue gas desulfurization pipeline still includes the second desulfurization pipeline, the first end and the third fan of second desulfurization pipeline are connected, still include:
a second connecting pipe having a first end communicating with the cleaning material storage member and a second end communicating with the second desulfurization pipe;
the third valve is arranged on the second connecting pipe and used for controlling the on-off of the second connecting pipe;
the second nozzle is arranged on the second desulfurization pipeline, is positioned between the third fan and the second end of the second connecting pipe, and is used for injecting air into the second desulfurization pipeline so as to blow off the desulfurization medium adhered to the inner wall of the second desulfurization pipeline;
and the compressed air conveying structure is communicated with the second nozzle and is used for conveying compressed air to the second nozzle.
Optionally, the compressed air delivery structure further comprises:
the first end of the first compressed air distributing pipe is communicated with the second end of the compressed air conveying pipe, and the second end of the first compressed air distributing pipe is communicated with the first nozzle;
the fourth valve is arranged on the first compressed air distribution pipe and used for controlling the on-off of the first compressed air distribution pipe;
a first end of the second compressed air distribution pipe is connected with a second end of the compressed air conveying pipe, and the second end of the second compressed air distribution pipe is communicated with the second nozzle;
and the fifth valve is arranged on the second compressed air distribution pipe and used for controlling the on-off of the second compressed air distribution pipe.
Optionally, the third fan is communicated with the second end of the compressed air conveying pipe, and the third fan, the first compressed air distributing pipe, the second compressed air distributing pipe and the compressed air conveying pipe are communicated through a four-way joint.
The utility model also provides a desulfurizing device, including foretell flue gas desulfurization pipeline cleaning device
The utility model discloses still provide a waste incineration power generation facility in another aspect, including foretell desulphurization unit.
Compared with the prior art, the utility model discloses an at least including following beneficial effect:
flue gas desulfurization pipeline cleaning device includes that cleaning material stores piece, first connecting pipe, first valve and jet-propelled structure. The cleaning material storage member is used for storing the cleaning material. The first end of the first connecting pipe is communicated with the cleaning material storage part, and the second end of the first connecting pipe is communicated with the first desulfurization pipeline. The first valve is arranged on the first connecting pipe and used for controlling the on-off of the first connecting pipe. The air injection structure is communicated with the first desulfurization pipeline and used for injecting air into the first desulfurization pipeline so as to blow off the desulfurization medium adhered to the inner wall of the first desulfurization pipeline. Specifically, when needing to clean first desulfurization pipeline, long-range first fan of closing, then open first valve, the cleaning material in the cleaning material storage piece falls into first desulfurization pipeline through first connecting pipe, first nozzle is jet-propelled in the first desulfurization pipeline of orientation to blow the cleaning material and roll in first desulfurization pipeline, and then make the inner wall friction of cleaning material and first desulfurization pipeline, so that the desulfurization medium who pastes at first desulfurization pipeline inner wall drops.
Drawings
Fig. 1 is a schematic view of the installation between the flue gas desulfurization pipeline cleaning device and the flue gas desulfurization pipeline provided by the embodiment of the present invention.
In the figure:
11. a first valve; 12. a first connecting pipe; 13. a first nozzle; 14. a first desulfurization duct; 15. a first cleaning material recovery; 16. a first fan;
21. a third valve; 22. a second connecting pipe; 23. a second nozzle; 24. a second desulfurization duct; 25. a second cleaning material recovery element; 26. a third fan;
3. a hopper;
4. a sixth valve;
5. a cleaning material storage member;
6. a compressed air delivery structure; 61. a compressed air delivery pipe; 62. a third fan; 63. a second valve; 64. an air flow reducing valve; 65. a first compressed air distribution pipe; 66. a second compressed air distribution pipe; 67. a fourth valve; 68. and a fifth valve.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.
Referring to fig. 1, the present invention provides a flue gas desulfurization pipeline cleaning device. Flue gas desulfurization pipeline includes first desulfurization pipeline 14, and first end of first desulfurization pipeline 14 is connected with first fan 16, and flue gas desulfurization pipeline cleaning device includes that cleaning material stores piece 5, first connecting pipe 12, first valve 11 and jet-propelled structure. The cleaning material storage member 5 is for storing a cleaning material. The first connecting pipe 12 has a first end communicating with the cleaning material storage member 5 and a second end communicating with the first desulfurization pipe 14. A first valve 11 is disposed on the first connecting pipe 12 for controlling the on/off of the first connecting pipe 12. The air injection structure is communicated with the first desulfurization pipeline 14 and is used for injecting air into the first desulfurization pipeline 14 so as to blow off the desulfurization medium adhered to the inner wall of the first desulfurization pipeline 14. Specifically, when needing to clean first desulfurization pipeline 14, long-range first fan 16 of closing, then open first valve 11, the cleaning material in the cleaning material storage piece 5 falls into first desulfurization pipeline 14 through first connecting pipe 12, first nozzle 13 is jet-propelled towards first desulfurization pipeline 14 in to blow the cleaning material and roll in first desulfurization pipeline 14, and then make the cleaning material rub with the inner wall of first desulfurization pipeline 14, so that the desulfurization medium who pastes at first desulfurization pipeline 14 inner wall drops.
Optionally, the cleaning device further comprises a first cleaning material recycling member 15, the first cleaning material recycling member 15 is disposed at one end of the first desulfurization pipe 14 far away from the first fan 16, and after the desulfurization medium falls off from the inner wall of the first desulfurization pipe 14, the fallen desulfurization medium falls into the first cleaning material recycling member 15 under the blowing of the first nozzle 13, so that the recycling of the cleaning material is realized.
Optionally, the air injection structure comprises a first nozzle 13 and a compressed air delivery structure 6. The first nozzle 13 is disposed on the first desulfurization pipeline 14 and between the first fan 16 and the second end of the first connection pipe 12, and is used for blowing air toward the feeding direction of the first desulfurization pipeline 14 to blow off the desulfurization medium adhered to the inner wall of the first desulfurization pipeline 14. The compressed air conveying structure 6 is communicated with the first nozzle 13 and is used for conveying compressed air to the first nozzle 13, the compressed air is sprayed out to the first desulfurization pipeline 14 through the first nozzle 13, and then the cleaning materials are blown to roll in the first desulfurization pipeline 14.
Optionally, the compressed air delivery structure 6 comprises a compressed air delivery pipe 61 and a second valve 63. The first end of the compressed air conveying pipe 61 is connected with an external compressed air generating device, the second end of the compressed air conveying pipe is connected with the first nozzle 13, and the external compressed air generating device conveys compressed air to the compressed air conveying pipe 61. The second valve 63 is disposed on the compressed air delivery pipe 61 and is used for controlling the on-off of the compressed air delivery pipe 61, so that when the first desulfurization pipeline 14 needs to be cleaned, the compressed air delivery pipe 61 is in a communication state to deliver compressed air to the first nozzle 13.
Optionally, the compressed air conveying structure 6 further comprises a second fan disposed on the compressed air conveying pipe 61 for blowing the compressed air in the compressed air conveying pipe 61 into the first nozzles 13 under pressure, so that the pressure of the air flow ejected from the first nozzles 13 is adjustable.
Optionally, the compressed air delivery structure 6 further comprises an air source pressure reducing valve 64, and the air source pressure reducing valve 64 is disposed on the compressed air delivery pipe 61 and is used for reducing the pressure of the compressed air in the compressed air delivery pipe 61 so as to realize secondary regulation of the air flow sprayed out from the first nozzle 13.
Optionally, the flue gas desulfurization pipeline further includes a second desulfurization pipeline 24, the first end of the second desulfurization pipeline 24 is connected with the third fan 62, and the flue gas desulfurization pipeline cleaning device further includes a second connecting pipe 22 and a third valve 21. The second connection pipe 22 has a first end communicating with the cleaning material storage 5 and a second end communicating with the second desulfurization pipe 24. The third valve 21 is disposed on the second connection pipe 22, and is used for controlling on/off of the second connection pipe 22. The air injection structure further comprises a second nozzle 23, and the second nozzle 23 is arranged on the second desulfurization pipeline 24 and located between the third fan 62 and the second end of the second connecting pipe 22, and is used for injecting air into the second desulfurization pipeline 24 so as to blow off the desulfurization medium adhered to the inner wall of the second desulfurization pipeline 24. The compressed air delivery arrangement 6 communicates with the second nozzle 23 for delivering compressed air to the second nozzle 23. Specifically, when the second desulfurization pipeline 24 needs to be cleaned, the third fan 62 is remotely turned off, then the third valve 21 is opened, the cleaning material in the cleaning material storage part 5 falls into the second desulfurization pipeline 24 through the second connecting pipe 22, the compressed air conveying structure 6 conveys compressed air towards the second nozzle 23, and the compressed air is sprayed out to the second desulfurization pipeline 24 through the second nozzle 23, so that the cleaning material is blown to roll in the second desulfurization pipeline 24, and then the cleaning material is rubbed with the inner wall of the second desulfurization pipeline 24, so that the desulfurization medium adhered to the inner wall of the second desulfurization pipeline 24 falls off.
Optionally, the cleaning device further comprises a second cleaning material recovery member 25, the second cleaning material recovery member 25 is disposed at one end of the second desulfurization pipe 24 far away from the third fan 62, and after the desulfurization medium falls off from the inner wall of the second desulfurization pipe 24, the fallen desulfurization medium falls into the second cleaning material recovery member 25 under the blowing of the second nozzle 23, so as to realize the recovery of the cleaning material.
Optionally, the compressed air delivery structure 6 further comprises a first compressed air branch pipe 65, a fourth valve 67, a second compressed air branch pipe 66 and a fifth valve 68. The first compressed air distribution pipe 65 has a first end communicating with the second end of the compressed air delivery pipe 61, and a second end communicating with the first nozzle 13. The fourth valve 67 is disposed on the first compressed air distribution pipe 65, and is used for controlling on/off of the first compressed air distribution pipe 65. The second compressed air distribution pipe 66 has a first end connected to a second end of the compressed air delivery pipe 61, and a second end communicating with the second nozzle 23. A fifth valve 68 is disposed on the second compressed air distribution pipe 66 for controlling the on/off of the second compressed air distribution pipe 66.
Specifically, when cleaning of the first desulfurization pipe 14 is required, the first valve 11, the second valve 63, and the fourth valve 67 are opened, and the third valve 21 and the fifth valve 68 are closed. So that the cleaning material falls into the first desulfurization pipe 14 and the compressed air can reach the first nozzle 13 through the compressed air delivery pipe 61 and the first compressed air distribution pipe 65 in order and then be sprayed out from the first nozzle 13 to the first desulfurization pipe 14, and when the second desulfurization pipe 24 needs to be cleaned, the second valve 63, the third valve 21, and the fifth valve 68 are opened, and the first valve 11 and the fourth valve 67 are closed. So that the cleaning material falls into the second desulfurization duct 24 and the compressed air can reach the second nozzles 23 through the compressed air delivery pipe 61 and the second compressed air delivery pipe 61 in order and then be sprayed from the second nozzles 23 to the second desulfurization duct 24. Therefore, the compressed air can be conveyed to the first desulfurization pipeline 14 and the second desulfurization pipeline 24 by adopting the same compressed air conveying pipe 61, the second valve 63, the air flow reducing valve 64 and the external compressed air generating device, and the structure is simple.
Optionally, the third fan 62 is communicated with the second end of the compressed air conveying pipe 61, and the third fan 62, the first compressed air distributing pipe 65, the second compressed air distributing pipe 66 and the compressed air conveying pipe 61 are communicated through a four-way joint, so that the third fan 62, the first compressed air distributing pipe 65, the second compressed air distributing pipe 66 and the compressed air conveying pipe 61 are communicated.
Optionally, a hopper 3 is also included, hopper 3 being in communication with a cleaning material storage 5. An operator may add cleaning material to the cleaning material storage 5 via the hopper 3.
Optionally, a sixth valve 4 is further disposed between the loading hopper 3 and the cleaning material storage member 5, and the sixth valve 4 is used for controlling the on-off between the loading hopper 3 and the cleaning material storage member 5, so that the process of the cleaning material in the loading hopper 3 entering the cleaning material storage member 5 can be controlled.
Optionally, the first valve 11, the second valve 63, the third valve 21, the fourth valve 67, the fifth valve 68, and the sixth valve 4 are all electric ball valves, and the electric ball valves can control the flow, so that a user can adjust the flow according to different needs.
The utility model also provides a waste incineration power generation facility. Waste incineration power generation equipment includes foretell flue gas desulfurization pipeline cleaning device.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which all fall within the scope of the invention.
Claims (10)
1. The utility model provides a flue gas desulfurization pipeline cleaning device, the flue gas desulfurization pipeline includes first desulfurization pipeline (14), the first end of first desulfurization pipeline (14) is connected with first fan (16), its characterized in that includes:
a cleaning material storage member (5) for storing a cleaning material;
a first connecting pipe (12) having a first end communicating with the cleaning material storage (5) and a second end communicating with the first desulfurization pipe (14);
the first valve (11) is arranged on the first connecting pipe (12) and is used for controlling the on-off of the first connecting pipe (12);
and the air injection structure is communicated with the first desulfurization pipeline (14) and is used for injecting air into the first desulfurization pipeline (14) so as to blow off the desulfurization medium adhered to the inner wall of the first desulfurization pipeline (14).
2. The flue gas desulfurization pipeline cleaning apparatus according to claim 1, wherein the air injection structure comprises:
the first nozzle (13) is arranged on the first desulfurization pipeline (14), is positioned between the first fan (16) and the second end of the first connecting pipe (12), and is used for spraying air towards the feeding direction of the first desulfurization pipeline (14) so as to blow off the desulfurization medium adhered to the inner wall of the first desulfurization pipeline (14);
a compressed air delivery structure (6) in communication with the first nozzle (13) for delivering compressed air to the first nozzle (13).
3. The flue gas desulfurization duct cleaning apparatus according to claim 2, wherein the compressed air delivery structure (6) comprises:
a compressed air delivery pipe (61) with a first end connected with an external compressed air generating device and a second end connected with the first nozzle (13);
and the second valve (63) is arranged on the compressed air delivery pipe (61) and is used for controlling the on-off of the compressed air delivery pipe (61).
4. The flue gas desulfurization duct cleaning apparatus according to claim 3, wherein the compressed air delivery structure (6) further comprises a second fan (62), the second fan (62) being provided on the compressed air delivery pipe (61) for blowing the compressed air inside the compressed air delivery pipe (61) into the first nozzle (13) under pressure.
5. The flue gas desulfurization pipe cleaning apparatus according to claim 4, wherein the compressed air delivery structure (6) further comprises an air source pressure reducing valve (64), the air source pressure reducing valve (64) being provided on the compressed air delivery pipe (61) for reducing the pressure of the compressed air in the compressed air delivery pipe (61).
6. The flue gas desulfurization pipe cleaning apparatus according to any one of claims 4 to 5, wherein the flue gas desulfurization pipe further comprises a second desulfurization pipe (24), a first end of the second desulfurization pipe (24) is connected to a third fan (26), and further comprising:
a second connection pipe (22) having a first end communicating with the cleaning material storage (5) and a second end communicating with the second desulfurization pipe (24);
the third valve (21) is arranged on the second connecting pipe (22) and used for controlling the on-off of the second connecting pipe (22);
the gas injection structure further comprises a second nozzle (23), the second nozzle (23) is arranged on the second desulfurization pipeline (24) and positioned between the third fan (26) and the second end of the second connecting pipe (22) and used for injecting gas into the second desulfurization pipeline (24) so as to blow off the desulfurization medium adhered to the inner wall of the second desulfurization pipeline (24);
the compressed air conveying structure (6) is communicated with the second nozzle (23) and is used for conveying compressed air to the second nozzle (23).
7. The flue gas desulfurization duct cleaning apparatus according to claim 6, wherein the compressed air conveying structure (6) further comprises:
a first compressed air distribution pipe (65) having a first end communicating with a second end of the compressed air delivery pipe (61), the second end communicating with the first nozzle (13);
the fourth valve (67) is arranged on the first compressed air distribution pipe (65) and is used for controlling the on-off of the first compressed air distribution pipe (65);
a second compressed air distribution pipe (66) with a first end connected with a second end of the compressed air conveying pipe (61) and a second end communicated with the second nozzle (23);
and the fifth valve (68) is arranged on the second compressed air distribution pipe (66) and is used for controlling the on-off of the second compressed air distribution pipe (66).
8. The flue gas desulfurization pipeline cleaning device according to claim 7, wherein the second fan (62) is communicated with the second end of the compressed air conveying pipe (61), and the second fan (62), the first compressed air distributing pipe (65), the second compressed air distributing pipe (66) and the compressed air conveying pipe (61) are communicated with each other through a four-way joint.
9. A desulfurization apparatus comprising the flue gas desulfurization duct cleaning apparatus according to any one of claims 1 to 8.
10. A refuse incineration power plant characterized by comprising the desulfurization apparatus of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123145851.XU CN217748493U (en) | 2021-12-14 | 2021-12-14 | Flue gas desulfurization pipeline cleaning device, desulfurization device and waste incineration power generation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123145851.XU CN217748493U (en) | 2021-12-14 | 2021-12-14 | Flue gas desulfurization pipeline cleaning device, desulfurization device and waste incineration power generation equipment |
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| Publication Number | Publication Date |
|---|---|
| CN217748493U true CN217748493U (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123145851.XU Active CN217748493U (en) | 2021-12-14 | 2021-12-14 | Flue gas desulfurization pipeline cleaning device, desulfurization device and waste incineration power generation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217748493U (en) |
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2021
- 2021-12-14 CN CN202123145851.XU patent/CN217748493U/en active Active
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